(:*******************************************************:)
(: Test: K-SeqIndexOfFunc-11                             :)
(: Written by: Frans Englich                             :)
(: Date: 2007-11-22T11:31:22+01:00                       :)
(: Purpose: A test whose essence is: `empty(index-of(4, "4"))`. :)
(:*******************************************************:)
empty(index-of(4, "4"))